mirror of https://gitee.com/openkylin/qemu.git
132 lines
3.7 KiB
Bash
Executable File
132 lines
3.7 KiB
Bash
Executable File
#!/bin/bash
|
|
#
|
|
# When using a backing file for the output image in qemu-img convert,
|
|
# the backing file clusters must not copied. The data must still be
|
|
# read correctly.
|
|
#
|
|
# Copyright (C) 2009 Red Hat, Inc.
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
#
|
|
|
|
# creator
|
|
owner=kwolf@redhat.com
|
|
|
|
seq=`basename $0`
|
|
echo "QA output created by $seq"
|
|
|
|
status=1 # failure is the default!
|
|
|
|
_cleanup()
|
|
{
|
|
_cleanup_test_img
|
|
rm -f "$TEST_IMG.base"
|
|
rm -f "$TEST_IMG.orig"
|
|
}
|
|
trap "_cleanup; exit \$status" 0 1 2 3 15
|
|
|
|
# get standard environment, filters and checks
|
|
. ./common.rc
|
|
. ./common.filter
|
|
. ./common.pattern
|
|
|
|
# Any format supporting backing files
|
|
_supported_fmt qcow qcow2 vmdk qed
|
|
_supported_proto file
|
|
_supported_os Linux
|
|
_unsupported_imgopts "subformat=monolithicFlat" \
|
|
"subformat=twoGbMaxExtentFlat" \
|
|
"subformat=twoGbMaxExtentSparse"
|
|
|
|
TEST_OFFSETS="0 4294967296"
|
|
CLUSTER_SIZE=65536
|
|
|
|
TEST_IMG_SAVE="$TEST_IMG"
|
|
TEST_IMG="$TEST_IMG.base"
|
|
|
|
_make_test_img 6G
|
|
|
|
echo "Filling base image"
|
|
echo
|
|
|
|
for offset in $TEST_OFFSETS; do
|
|
# Some clusters with alternating backing file/image file reads
|
|
io_pattern writev $(( offset )) 512 1024 64 42
|
|
|
|
# Complete backing clusters
|
|
io_pattern writev $(( offset + 1024 * 1024)) $CLUSTER_SIZE $CLUSTER_SIZE 1 42
|
|
done
|
|
_check_test_img
|
|
|
|
echo "Creating test image with backing file"
|
|
echo
|
|
|
|
TEST_IMG="$TEST_IMG_SAVE.orig"
|
|
_make_test_img -b "$TEST_IMG_SAVE.base" 6G
|
|
|
|
echo "Filling test image"
|
|
echo
|
|
|
|
for offset in $TEST_OFFSETS; do
|
|
# Some clusters with alternating backing file/image file reads
|
|
io_pattern writev $(( offset + 512 )) 512 1024 64 43
|
|
|
|
# Complete test image clusters
|
|
io_pattern writev $(( offset + 1024 * 1024 + $CLUSTER_SIZE)) $CLUSTER_SIZE $CLUSTER_SIZE 1 43
|
|
done
|
|
_check_test_img
|
|
|
|
TEST_IMG="$TEST_IMG_SAVE"
|
|
|
|
# Test the conversion twice: One test with the old-style -B option and another
|
|
# one with -o backing_file
|
|
|
|
for backing_option in "-B " "-o backing_file="; do
|
|
|
|
echo
|
|
echo Testing conversion with $backing_option"$TEST_IMG.base" | _filter_testdir | _filter_imgfmt
|
|
echo
|
|
$QEMU_IMG convert -f $IMGFMT -O $IMGFMT $backing_option"$TEST_IMG.base" "$TEST_IMG.orig" "$TEST_IMG"
|
|
|
|
echo "Checking if backing clusters are allocated when they shouldn't"
|
|
echo
|
|
for offset in $TEST_OFFSETS; do
|
|
# Complete backing clusters
|
|
is_allocated $(( offset + 1024 * 1024)) $CLUSTER_SIZE $CLUSTER_SIZE 1
|
|
done
|
|
|
|
echo "Reading"
|
|
echo
|
|
|
|
for offset in $TEST_OFFSETS; do
|
|
# Some clusters with alternating backing file/image file reads
|
|
io_pattern readv $(( offset )) 512 1024 64 42
|
|
io_pattern readv $(( offset + 512 )) 512 1024 64 43
|
|
|
|
# Complete test image clusters
|
|
io_pattern readv $(( offset + 1024 * 1024)) $CLUSTER_SIZE $CLUSTER_SIZE 1 42
|
|
io_pattern readv $(( offset + 1024 * 1024 + $CLUSTER_SIZE)) $CLUSTER_SIZE $CLUSTER_SIZE 1 43
|
|
|
|
# Empty sectors
|
|
io_zero readv $(( offset + 1024 * 1024 + $CLUSTER_SIZE * 4 )) $CLUSTER_SIZE $CLUSTER_SIZE 1
|
|
done
|
|
_check_test_img
|
|
|
|
done
|
|
|
|
# success, all done
|
|
echo "*** done"
|
|
rm -f $seq.full
|
|
status=0
|